| (19) |
 |
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(11) |
EP 0 849 284 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
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07.07.1999 Bulletin 1999/27 |
| (43) |
Date of publication A2: |
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24.06.1998 Bulletin 1998/26 |
| (22) |
Date of filing: 15.02.1991 |
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| (84) |
Designated Contracting States: |
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BE DE ES FR GB IT NL |
| (62) |
Application number of the earlier application in accordance with Art. 76 EPC: |
|
91102149.1 / 0498914 |
| (71) |
Applicant: E.I. DU PONT DE NEMOURS AND COMPANY |
|
Wilmington
Delaware 19898 (US) |
|
| (72) |
Inventors: |
|
- Antonelli, Joseph Albert
Riverton,
New Jersey 08077 (US)
- Scopazzi, Christopher
Wilmington,
Delaware 19810 (US)
- Doherty, Mark Matthew
Shelby Township,
Michigan 48315 (US)
|
| (74) |
Representative: Abitz, Walter, Dr.-Ing. et al |
|
Patentanwälte Abitz & Partner
Postfach 86 01 09
81628 München
81628 München (DE) |
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| |
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|
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Remarks: |
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This application was filed on 13 - 03 - 1998 as a divisional application to the application
mentioned under INID code 62. |
|
| (54) |
Stabilized polymer dispersion |
(57) Stabilized polymer dispersions in which the principal polymer contains a core component
of acrylic polymers, polystyrene and/or acrylic styrene copolymers and stabilizer
components which are polymers of ethylenically unsaturated monomers and which are
grafted to the core component at the stabilizer ends, can be prepared using a catalytic
chain transfer agent containing Co
+2.